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We are grateful to Dr. Hwang for providing lucid remarks on the potential instability of Bruch's membrane opening (BMO) in myopic eyes. We have argued that the BMO is a true anatomic border from which neuroretinal rim measurements can be made; however, if BMO migrates, it could call into question the validity of any BMO-based measurements, whether it is a horizontal rim width measurement made currently in optical coherence tomography (OCT) devices or a minimum rim width measurement (BMO-MRW) as proposed. In reality, although we share Dr. Hwang's concern, there (Read more...)

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